Haynesite Mineral Data +

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General Haynesite Information
Chemical Formula:	(UO2)3(SeO3)2(OH)2·5(H2O)
Composition:	Molecular Weight = 1,188.09 gm
	Uranium   60.10 %  U    68.18 % UO2
	Hydrogen   1.02 %  H     9.10 % H2O
	Selenium  13.29 %  Se   18.68 % SeO2
	Oxygen    25.59 %  O
	______        ______
	100.00 %       95.96 % = TOTAL OXIDE
Empirical Formula:	(UO2)3(SeO3)2(OH)2·5(H2O)
Environment:	Found as crusts on mudstones and sandstones of the Morrison formation.
IMA Status:	Approved IMA 1991
Locality:	Repete mine near Blanding, San Juan County, Utah. USA. Link to MinDat.org Location Data.
Name Origin:	Named for Patrick Haynes, U.S. Geologist who first collected the mineral.
Synonym:	IMA1990-024
Haynesite Image
Images:	Haynesite Comments: Yellow tufts of haynesite. Location: Repete mine, San Juan County, Utah, USA. Scale: Crystal size 0.5 mm. © Tom Loomis / Dakota Matrix
Images:	Haynesite Comments: Bright yellow sunburst clusters of haynesite on a fracture surface.. Location: Repete Mine, San Juan Co., Utah, USA. Scale: Picture size 0.5 cm. © Paul M. Schumacher
Haynesite Crystallography
Axial Ratios:	a:b:c =0.4604:1:0.3989
Cell Dimensions:	a = 8.025, b = 17.43, c = 6.953, Z = 2; V = 972.56 Den(Calc)= 4.06
Crystal System:	OrthorhombicSpace Group: Pnc2,Pncm
X Ray Diffraction:	By Intensity(I/Io): 8.01(1), 2.912(0.8), 4.01(0.7),
Physical Properties of Haynesite
Cleavage:	[010] Good
Color:	Brownish yellow, Amber.
Density:	4.1
Diaphaniety:	Transparent to Translucent
Habit:	Acicular - Occurs as needle-like crystals.
Habit:	Rosette - Bundled tabular aggregates resembling rose flower petals.
Habit:	Tabular - Form dimensions are thin in one direction.
Hardness:	1.5-2 - Talc-Gypsum
Luminescence:	Fluorescent, Short UV=yellowish green.
Luster:	Vitreous (Glassy)
Streak:	white
Optical Properties of Haynesite
Gladstone-Dale:	CI meas= -0.311 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.324 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1795,KPDmeas= 0.1777,KC= 0.1355
Optical Data:	Biaxial (-), a=1.618, b=1.783, g=1.785, bire=0.1670, 2V(Calc)=10, 2V(Meas)=45.
Pleochroism (x):	pale yellow.
Pleochroism (y):	bright yellow.
Pleochroism (z):	bright yellow.
Calculated Properties of Haynesite
Electron Density:	relectron=3.51 gm/cc note: rHaynesite =4.10 gm/cc.
Fermion Index	Fermion Index = 0.01455 Boson Index = 0.98545
Photoelectric:	PEHaynesite =1,605.53 barns/electron U=PEHaynesite x relectron=5,629.21 barns/cc.
Radioactivity:	GRapi = 4,381,059.34 (Gamma Ray American Petroleum Institute Units) Haynesite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 6.94 ± 1.74 grams of pure Haynesite . Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 694.28 ±173.57 grams of pure Haynesite . Estimated Radioactivity from Haynesite - very strong Specimen Size Weight/Volume (Sphere) * Calculated Activity Bequerols (Bq) Calculated Activity Curies (Ci) Estimated Activity GR(api) Estimated Exposure (mRem**)/hr If Held in Hand For One Hour 1000 gm / 7.75 cm 107,585,659 2.91E-03 4,381,059.34 1,440.35 100 gm / 3.60 cm 10,758,566 2.91E-04 438,105.93 144.03 10 gm / 1.67 cm 1,075,857 2.91E-05 43,810.59 14.40 1 gm / 7.75 mm 107,586 2.91E-06 4,381.06 1.44 0.1 gm / 3.60 mm 10,759 2.91E-07 438.11 0.14 0.01 gm / 1.67 mm 1,076 2.91E-08 43.81 0.01 0.001 gm / 0.78 mm 108 2.91E-09 4.38 0.00 Weight of pure Haynesite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.10 gm/cc.* Goverment Estimate of Average Annual Exposure ( 360 mRem) ** Note: 10 microsieverts/hr = 1 mRem/hr ** Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes) Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Haynesite Classification
Dana Class:	34.7.7.1 (34)Selenites - Tellurites - Sulfites
	(34.7)Dana Type
	(34.7.7)Dana Group
	34.7.7.1 Haynesite (UO2)3(SeO3)2(OH)2·5(H2O) Pnc2,Pncm Ortho
	34.7.7.2 Larisaite! Na(H3O)(UO2)3(SeO3)2O2·4(H2O) Pm 2
Strunz Class:	IV/K.11-25 IV - Oxides
	IV/K - Uranyl-Selenides with [UO2]2+ - [SeO3]2- groups
	IV/K.11 - Derriksite - Demesmaekerite series
	IV/K.11-10 Derriksite Cu4(UO2)(SeO3)2(OH)6 Pn21m mm2
	IV/K.11-20 Marthozite Cu[(UO2)3(SeO3)2O2]·8(H2O) Pbn21 mm2
	IV/K.11-25 Haynesite (UO2)3(SeO3)2(OH)2·5(H2O) Pnc2,Pncm Ortho
	IV/K.11-26 Larisaite! Na(H3O)(UO2)3(SeO3)2O2·4(H2O) Pm 2
	IV/K.11-28 Piretite! Ca(UO2)3(SeO3)2(OH)4-4(H2O) P mn21,Pmnm Ortho
	IV/K.11-30 Guilleminite Ba(UO2)3(SeO3)2O2·3(H2O) P 21nm mm2
	IV/K.11-40 Demesmaekerite Pb2Cu5(UO2)2(SeO3)6(OH)6·2(H2O) P1 1
Other Haynesite Information
References:	NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
See Also:	Links to other databases for Haynesite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - Uranium Minerals 13 -École des Mines de Paris Search for Haynesite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Haynesite : AA Mineral Specimens B & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Haynesite Mineral Data : Ask about Haynesite here : Ask-A-Mineralogist from the Mineralogical Society of America Mindat.org's Discussion Groups Original Rockhounds Discussion Group Rockhounds Discussion Group on Yahoo Groups Mineral Discussion Forum from Fabre Minerals - also available in Español Print or Cut-and-Paste your Haynesite Specimen Label here : Haynesite (UO2)3(SeO3)2(OH)2·5(H2O) Dana No: 34.7.7.1 Strunz No: IV/K.11-25 Locality:   Notes: